Abstract: Briefly described in the article is the dynamic management system for spare parts designed and used by No.4 Steel Rolling Plant, Anyang I ＆ S Co., Ltd., focusing on the hardware configuration and the functions. Compared with the convenient spare part management mode, the said dynamic management system is more advanced and more cost-effective. Years-long operation of the system has proven that it is steady and reliable with all the functions satisfactory to the customer requirements.